cannot input koeran characters on Windows Xp enviroment

Test Build : j2sdk-1_4_0-rc-bin-b91-win-07_jan_2002.exe
Test Enviroment : Korean / Windows XP Pro


Cannot input korean Characters on awt.TextArea and awt.TextField. When user clicked the input field or area, the Windows's Input engine was gone. But, the input field displays korean characters well.
This problem isn't observed the other windows OS.

How to reproduce :

1) get he test file (swing_awt_tests.tar) from /net/sekai/projects/java_software/jdk_1.4/web/Planning/Test_Plans/test_cases
2) untar the swing_awt_tests.tar and change directory into awt/classes
3) type %java awttest -command [korean/english characters]
4) try to input korean characters in awt.Textfield and awt.TextArea